// run-pass fn assert_repr_eq<T: std::fmt::Debug>(obj : T, expected : String) { assert_eq!(expected, format!("{:?}", obj)); } pub fn main() { let abc = [1, 2, 3]; let tf = [true, false]; let x = [(), ()]; let slice = &x[..1]; assert_repr_eq(&abc[..], "[1, 2, 3]".to_string()); assert_repr_eq(&tf[..], "[true, false]".to_string()); assert_repr_eq(&x[..], "[(), ()]".to_string()); assert_repr_eq(slice, "[()]".to_string()); assert_repr_eq(&x[..], "[(), ()]".to_string()); }